/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-invgen/nested9.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:57:43,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:57:43,316 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:57:43,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:57:43,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:57:43,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:57:43,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:57:43,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:57:43,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:57:43,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:57:43,358 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:57:43,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:57:43,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:57:43,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:57:43,363 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:57:43,365 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:57:43,367 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:57:43,368 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:57:43,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:57:43,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:57:43,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:57:43,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:57:43,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:57:43,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:57:43,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:57:43,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:57:43,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:57:43,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:57:43,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 06:57:43,434 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:57:43,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:57:43,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:57:43,438 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:57:43,438 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:57:43,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:57:43,438 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:57:43,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:57:43,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:57:43,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:57:43,439 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:57:43,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:57:43,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:57:43,440 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:57:43,440 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:57:43,440 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:57:43,440 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:57:43,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:57:43,443 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:57:43,443 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:57:43,443 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:57:43,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:57:43,444 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:57:43,444 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:57:43,444 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:57:43,445 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:57:43,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:57:43,445 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:57:43,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 06:57:43,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:57:43,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:57:43,784 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:57:43,785 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:57:43,786 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:57:43,787 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/nested9.i [2019-11-07 06:57:43,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08258a96d/d21e1c3e48b74fb7a64b90c78156c155/FLAG6c46f008d [2019-11-07 06:57:44,267 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:57:44,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/nested9.i [2019-11-07 06:57:44,274 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08258a96d/d21e1c3e48b74fb7a64b90c78156c155/FLAG6c46f008d [2019-11-07 06:57:44,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08258a96d/d21e1c3e48b74fb7a64b90c78156c155 [2019-11-07 06:57:44,691 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:57:44,692 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:57:44,693 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:44,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:57:44,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:57:44,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:44" (1/1) ... [2019-11-07 06:57:44,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ac03942 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:44, skipping insertion in model container [2019-11-07 06:57:44,704 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:44" (1/1) ... [2019-11-07 06:57:44,711 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:57:44,727 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:57:44,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:44,908 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:57:44,935 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:44,952 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:57:44,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:44 WrapperNode [2019-11-07 06:57:44,953 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:44,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:57:44,953 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:57:44,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:57:45,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:44" (1/1) ... [2019-11-07 06:57:45,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:44" (1/1) ... [2019-11-07 06:57:45,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:44" (1/1) ... [2019-11-07 06:57:45,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:44" (1/1) ... [2019-11-07 06:57:45,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:44" (1/1) ... [2019-11-07 06:57:45,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:44" (1/1) ... [2019-11-07 06:57:45,148 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:44" (1/1) ... [2019-11-07 06:57:45,154 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:57:45,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:57:45,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:57:45,155 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:57:45,156 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:57:45,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:57:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:57:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 06:57:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:57:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:57:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 06:57:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:57:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:57:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:57:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:57:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:57:45,508 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:57:45,508 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-07 06:57:45,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:45 BoogieIcfgContainer [2019-11-07 06:57:45,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:57:45,513 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:57:45,513 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:57:45,514 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:57:45,515 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:45" (1/1) ... [2019-11-07 06:57:45,540 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:57:45,840 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:57:45,860 INFO L272 AbstractInterpreter]: Visited 39 different actions 150 times. Merged at 13 different actions 47 times. Widened at 4 different actions 9 times. Performed 254 root evaluator evaluations with a maximum evaluation depth of 7. Performed 254 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 23 fixpoints after 11 different actions. Largest state had 15 variables. [2019-11-07 06:57:45,860 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:57:45,864 INFO L168 Benchmark]: Toolchain (without parser) took 1169.54 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 102.7 MB in the beginning and 155.6 MB in the end (delta: -52.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:45,865 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-07 06:57:45,866 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.62 ms. Allocated memory is still 140.5 MB. Free memory was 102.5 MB in the beginning and 93.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:45,868 INFO L168 Benchmark]: Boogie Preprocessor took 200.65 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 93.0 MB in the beginning and 184.3 MB in the end (delta: -91.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:45,869 INFO L168 Benchmark]: RCFGBuilder took 355.69 ms. Allocated memory is still 206.0 MB. Free memory was 184.3 MB in the beginning and 170.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:45,870 INFO L168 Benchmark]: Abstract Interpretation took 347.23 ms. Allocated memory is still 206.0 MB. Free memory was 169.8 MB in the beginning and 155.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:45,878 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 121.2 MB in the beginning and 121.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 259.62 ms. Allocated memory is still 140.5 MB. Free memory was 102.5 MB in the beginning and 93.0 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 200.65 ms. Allocated memory was 140.5 MB in the beginning and 206.0 MB in the end (delta: 65.5 MB). Free memory was 93.0 MB in the beginning and 184.3 MB in the end (delta: -91.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 355.69 ms. Allocated memory is still 206.0 MB. Free memory was 184.3 MB in the beginning and 170.5 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 347.23 ms. Allocated memory is still 206.0 MB. Free memory was 169.8 MB in the beginning and 155.6 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L10] int __BLAST_NONDET; [L12] int i,j,k,n,l,m; [L13] n = __VERIFIER_nondet_int() [L14] m = __VERIFIER_nondet_int() [L15] l = __VERIFIER_nondet_int() [L16] COND FALSE !(!(-1000000 < n && n < 1000000)) [L17] COND FALSE !(!(-1000000 < m && m < 1000000)) [L18] COND FALSE !(!(-1000000 < l && l < 1000000)) [L19] COND TRUE 3*n<=m+l [L20] i=0 [L20] COND TRUE i